Home / 155,176.20-232,764.30-92,190.60

Finding the Fourth Proportional to 155,176.20, 232,764.30 and 92,190.60

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Solution

The fourth proportional to 155,176.20, 232,764.30 and 92,190.60 is: 138,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,176.20 : 232,764.30 = 92,190.60 : x
  2. Step 2: Convert to fraction form
    155,176.20/232,764.30 = 92,190.60/x
  3. Step 3: Cross multiply
    155,176.20x = 232,764.30 × 92,190.60
  4. Step 4: Simplify right side
    155,176.20x = 21,458,680,475.58
  5. Step 5: Solve for x
    x = 21,458,680,475.58/155,176.20
  6. Step 6: Final answer
    x = 138,285.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.